ad91081e6ac389c8b528f4431cf0f88a149d6227752efe4450b0df4d19d58724

Analysis

max time kernel
118s
max time network
123s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
11-10-2023 12:14

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General

Target

ad91081e6ac389c8b528f4431cf0f88a149d6227752efe4450b0df4d19d58724.exe
Size

26KB
MD5

048653c4f743c18b0079d8537444e2b7
SHA1

b3a3547def9471ffd2b1896f85e7ecb270f46611
SHA256

ad91081e6ac389c8b528f4431cf0f88a149d6227752efe4450b0df4d19d58724
SHA512

a9aeb86fa72ebb6604507d65ca48079b4247ab2d6adbd376130475ce602d4031b5027183cdee3cc92e705ae9659c390f414a036fcd593a54b8ea21d8fd92271d
SSDEEP

384:qc0J+vqBoLotA8oPNIrxKRQSv7QrzVVvOytGxboE9K/mKHrjpjvTpO5wM:8Q3LotOPNSQVwVVxGKEvKHrVTpa

Score

7^/10

persistence spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3036	spoolsv.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\spoolsv = "C:\\Windows\\spoolsv.exe"	ad91081e6ac389c8b528f4431cf0f88a149d6227752efe4450b0df4d19d58724.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\spoolsv = "C:\\Windows\\spoolsv.exe"	spoolsv.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\spoolsv.exe	ad91081e6ac389c8b528f4431cf0f88a149d6227752efe4450b0df4d19d58724.exe
File created	C:\Windows\spoolsv.exe	spoolsv.exe

NTFS ADS 1 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Local\Temp\https:\onsapay.com\loader	spoolsv.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2752	ad91081e6ac389c8b528f4431cf0f88a149d6227752efe4450b0df4d19d58724.exe
Token: SeDebugPrivilege	3036	spoolsv.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2752 wrote to memory of 3036	2752	ad91081e6ac389c8b528f4431cf0f88a149d6227752efe4450b0df4d19d58724.exe	28
PID 2752 wrote to memory of 3036	2752	ad91081e6ac389c8b528f4431cf0f88a149d6227752efe4450b0df4d19d58724.exe	28
PID 2752 wrote to memory of 3036	2752	ad91081e6ac389c8b528f4431cf0f88a149d6227752efe4450b0df4d19d58724.exe	28
PID 2752 wrote to memory of 3036	2752	ad91081e6ac389c8b528f4431cf0f88a149d6227752efe4450b0df4d19d58724.exe	28

C:\Users\Admin\AppData\Local\Temp\ad91081e6ac389c8b528f4431cf0f88a149d6227752efe4450b0df4d19d58724.exe
"C:\Users\Admin\AppData\Local\Temp\ad91081e6ac389c8b528f4431cf0f88a149d6227752efe4450b0df4d19d58724.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2752
- C:\Windows\spoolsv.exe
  "C:\Windows\spoolsv.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in Windows directory
  - NTFS ADS
  - Suspicious use of AdjustPrivilegeToken
  PID:3036

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\1885417138\zmstage.exe.orig

Filesize
3.7MB

MD5
dc1ec03e1cd9875b921c6c1257e3e2cb

SHA1
af5705162a396d7fb1cd827d859102f95add02f3

SHA256
4d56fab2d985076ad6a32057253b1f756c3c891bb1c11358604fcb4be8f8f473

SHA512
a865873121de41e7016a38902be891ff763d9cf843a99bd2b036972dfa9937316c63e67b907b567f51bb355121789155676ab2c41ab8c5e3c37459d9456703da

Download Submit
C:\Users\Admin\AppData\Local\Temp\ce1qWlpIgazZlEr.exe

Filesize
26KB

MD5
9d3036cd2753d555baacc914f425a008

SHA1
f6f0ecc96edbe4f1f474b5737dbd5681a782383e

SHA256
17e775b2414a27b3b9b07e27f34e46b58325e0e40ef962fc7b421c920ee9ae9c

SHA512
4bb4297af80b5cb30b5313dbb0c2101dd5e1bda2cc46091c12e85939c323dc594f7edfde4498307e6b52953b721c2ac9f37b761c6fca148423c94f1d008441c0

Download Submit
C:\Windows\spoolsv.exe

Filesize
25KB

MD5
82071fd2379c64429acf376487fcddff

SHA1
2da42c7eaa62ecee65757b441c939f12b52228fb

SHA256
272bd07fa6c2678fd96a026237a184fceffa65d319f6844bac582aff90ce25d8

SHA512
194bdbdf624ec425a095a44116032687c46b3e2370f3c436e2d5516dcc778824ff57fa69edfacb42e5e76e05894eb0a40acf32dcee3b80ba397f823ec82b6adb

Download Submit
C:\Windows\spoolsv.exe

Filesize
25KB

MD5
82071fd2379c64429acf376487fcddff

SHA1
2da42c7eaa62ecee65757b441c939f12b52228fb

SHA256
272bd07fa6c2678fd96a026237a184fceffa65d319f6844bac582aff90ce25d8

SHA512
194bdbdf624ec425a095a44116032687c46b3e2370f3c436e2d5516dcc778824ff57fa69edfacb42e5e76e05894eb0a40acf32dcee3b80ba397f823ec82b6adb

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads